電動車鉛酸電池換成鋰電池的方法
大家都知道國家倡導綠色可持續發展,對電動車行業的新國標出臺后,對電動車的各項標準有了嚴格規定,特別是電動車電池方面更傾向用鋰電池,意味著對電動車檢測將更加嚴格。另一方面,企業也需要具備3C認證和電摩資質。綜合來看,如果將電動車的鉛酸電池更換為鋰電池,是比較受歡迎的。

電(dian)動車的(de)鉛酸(suan)電(dian)池(chi)更換成鋰電(dian)池(chi)如下:
1、了解自己當下電(dian)(dian)動(dong)車使用的(de)電(dian)(dian)池是(shi)(shi)什么電(dian)(dian)池,電(dian)(dian)池的(de)放電(dian)(dian)容量、倍率(最(zui)大放電(dian)(dian)是(shi)(shi)多少);建議更(geng)換的(de)鋰(li)電(dian)(dian)池在放電(dian)(dian)方面與電(dian)(dian)動(dong)車原(yuan)裝電(dian)(dian)池一樣;
2、了解電(dian)動車電(dian)機(ji)最大允許功(gong)率(lv)是多少(shao),建(jian)議鋰電(dian)池放電(dian)功(gong)率(lv)最大應該低于電(dian)動車電(dian)機(ji)最大允許功(gong)率(lv),防止(zhi)電(dian)機(ji)燒壞(huai);
3、了(le)解電(dian)(dian)(dian)動車接(jie)線(xian)電(dian)(dian)(dian)線(xian)規(gui)格,查看電(dian)(dian)(dian)線(xian)允(yun)許通過的最(zui)大(da)電(dian)(dian)(dian)流(liu),防止電(dian)(dian)(dian)流(liu)過大(da)燒(shao)毀電(dian)(dian)(dian)線(xian);
4、了解電(dian)動車其他電(dian)子元器件電(dian)流允許(xu)限值(zhi),建議(yi)電(dian)流應小于允許(xu)的限流值(zhi);
5、鋰(li)電(dian)池(chi)外觀尺寸大(da)小,一(yi)般來(lai)說(shuo),一(yi)樣容量和放電(dian)的(de)鋰(li)電(dian)池(chi)要(yao)比鉛酸電(dian)池(chi)小很(hen)多,因此電(dian)動(dong)車放置電(dian)池(chi)的(de)地(di)方會有空隙(xi),可以(yi)用絕(jue)緣物質填充,防止電(dian)池(chi)松動(dong),震動(dong)頻繁或過多,會發生安全事故;
6、鋰(li)電(dian)池(chi)(chi)容(rong)(rong)量(liang)的選擇,一般建議選擇容(rong)(rong)量(liang)與電(dian)動車原(yuan)裝電(dian)池(chi)(chi)一樣的,一般建議選擇兩倍容(rong)(rong)量(liang)以內,容(rong)(rong)量(liang)過(guo)大容(rong)(rong)易發生安全事(shi)故;
7、鋰電池種類的選擇,目前電動車鋰電池可供考慮的種類有幾種。18650鋰離子電池、磷酸鐵鋰電池和聚合物鋰電池。一般來說價格方面如果鋰電池電芯都是新的情況下,聚合物鋰電池價格最高,磷酸鐵鋰電池次之,18650鋰電池最低,因為聚合物鋰電池在密度能量比上要大,同等容量規格下,重量要輕很多;在安全性能方面,磷酸鐵鋰電池比較好,18650鋰電池次之。因此要看自己的經濟允許做選擇。
8、在電池(chi)電壓方面,要注(zhu)意(yi)的是(shi)(shi)原鉛酸電池(chi)在更(geng)(geng)換鋰電池(chi)時,需要要求(qiu)與原車電池(chi)電壓相(xiang)符(fu),容(rong)量可以加大,續航(hang)時間更(geng)(geng)長。即(ji)使(shi)是(shi)(shi)相(xiang)同容(rong)量,鋰電池(chi)續航(hang)里程(cheng)和壽命也會更(geng)(geng)長。其次,要注(zhu)意(yi)的是(shi)(shi)原充(chong)電器(qi)不(bu)可充(chong)鋰電,需要單獨(du)購(gou)買(mai)或(huo)定做(zuo)專用充(chong)電器(qi)。
9、電(dian)(dian)(dian)(dian)動(dong)車鉛酸(suan)電(dian)(dian)(dian)(dian)池(chi)(chi)換成鋰(li)電(dian)(dian)(dian)(dian)池(chi)(chi),電(dian)(dian)(dian)(dian)池(chi)(chi)壽(shou)(shou)命(ming)會更長(chang)嗎?正常(chang)使用(yong)情(qing)況(kuang)下,鋰(li)電(dian)(dian)(dian)(dian)本(ben)身的(de)(de)大(da)電(dian)(dian)(dian)(dian)流放電(dian)(dian)(dian)(dian)特性(xing)雖然是短板,在擁堵(du)道(dao)路(lu)的(de)(de)頻繁(fan)啟動(dong),會影響(xiang)電(dian)(dian)(dian)(dian)池(chi)(chi)壽(shou)(shou)命(ming),但是購(gou)買的(de)(de)鋰(li)電(dian)(dian)(dian)(dian)池(chi)(chi)如果是正規廠(chang)家生產的(de)(de)且帶有bms管理系統的(de)(de),壽(shou)(shou)命(ming)要比鉛酸(suan)電(dian)(dian)(dian)(dian)池(chi)(chi)長(chang)得多。
從國家綠色可(ke)持續(xu)發展方向來看,鉛酸電(dian)池對(dui)環(huan)境(jing)污染危害比較大,而鋰電(dian)池對(dui)環(huan)境(jing)比較友好,因此(ci)鋰電(dian)池代替鉛酸電(dian)池可(ke)能性是比較大的。
